1585328064380 has 48 divisors (see below), whose sum is σ = 3437149814784. Its totient is φ = 613574007360.

The previous prime is 1585328064311. The next prime is 1585328064413. The reversal of 1585328064380 is 834608235851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3600539 + ... + 4016781.

It is an arithmetic number, because the mean of its divisors is an integer number (71607287808).

Almost surely, 2^{1585328064380} is an apocalyptic number.

1585328064380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1585328064380 is an abundant number, since it is smaller than the sum of its proper divisors (1851821750404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1585328064380 is a wasteful number, since it uses less digits than its factorization.

1585328064380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422426 (or 422424 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 1585328064380 in words is "one trillion, five hundred eighty-five billion, three hundred twenty-eight million, sixty-four thousand, three hundred eighty".